90385174307 has 2 divisors, whose sum is σ = 90385174308. Its totient is φ = 90385174306.

The previous prime is 90385174283. The next prime is 90385174331. The reversal of 90385174307 is 70347158309.

It is a balanced prime because it is at equal distance from previous prime (90385174283) and next prime (90385174331).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90385174307 is a prime.

It is not a weakly prime, because it can be changed into another prime (90385170307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45192587153 + 45192587154.

It is an arithmetic number, because the mean of its divisors is an integer number (45192587154).

Almost surely, 2^90385174307 is an apocalyptic number.

90385174307 is a deficient number, since it is larger than the sum of its proper divisors (1).

90385174307 is an equidigital number, since it uses as much as digits as its factorization.

90385174307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 90385174307 in words is "ninety billion, three hundred eighty-five million, one hundred seventy-four thousand, three hundred seven".